Auriculocondylar syndrome
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| Auriculocondylar syndrome : Auriculocondylar syndrome is a condition that affects facial development, particularly the development of the ears and lower jaw (mandible). The features seen in people with this condition can vary, even among members of the same family. A hallmark of this condition is an ear abnormality called a question mark ear, in which the ears have a distinctive question mark shape that is caused by a split that separates the upper part of the ear from the earlobe. Other ear abnormalities that can occur in people with auriculocondylar syndrome include cupped ears, ears with fewer folds and grooves than usual, narrow ear canals, small skin tags in front of or behind the ears, and ears that are rotated backward. Some affected individuals also have hearing loss. Affected individuals often have a small lower jaw (micrognathia), which is caused by the underdevelopment of the upper portion of the mandible (condyle). These abnormalities can impair the function of the temporomandibular joint (TMJ), which connects the lower jaw to the skull. Problems with the TMJ affect how the upper and lower jaws fit together and can make it difficult to open and close the mouth. Because micrognathia often causes problems with breathing, many infants with auriculocondylar syndrome will need a breathing tube. Other features of auriculocondylar syndrome can include prominent cheeks, an unusually small mouth (microstomia), a tongue that is placed further back in the mouth than normal (glossoptosis), differences in the size and shape of facial features between the right and left sides of the face (facial asymmetry), and an opening in the roof of the mouth (cleft palate). In rare cases, people with auriculocondylar syndrome have developmental delays and intellectual disabilities. | |
| Review Date: 14/08/2025 | Updated By: |